Mass selling action on Friday plunged markets into the red on a shortened holiday week, with the RUT now in negative territory for 2025. Palantir (PLTR) shed a piece of its gargantuan rally as the Trump administration eyes defense budget cuts. Walmart (WMT) signaled inflationary pressures in its 2026 outlook, triggering its own sell-off. One company that traded with green arrows throughout the week was Apple (AAPL) after announcing its new iPhone 16e. Caroline Woods turns back to the trading week's biggest headlines